Consolidated Statements Of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating Activities
Net income	$ 6,334,508	$ 5,846,621
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	701,215	449,132
Amortization, net	408,010	364,520
Amortization related to postretirement benefits obligation	4,470	3,952
Share-based compensation expense related to stock options	67,401	67,654
Net loss (gain) on the disposals of property	9,314	(18,114)
Net realized gain on investments	(135,002)	(939,967)
Net earnings from other investments	(463,829)	(1,209,585)
Provision for claims	663,871	2,917,422
Provision for deferred income taxes	2,638,000	625,000
Changes in assets and liabilities:
Decrease (increase) in receivables	364,744	(836,421)
Decrease (increase) in other assets	4,826,648	(202,641)
Increase in current income taxes recoverable	(1,767,406)	0
Decrease in accounts payable and accrued liabilities	(6,649,591)	(1,390,662)
(Decrease) increase in current income taxes payable	(210,355)	331,716
Payments of claims, net of recoveries	(1,246,871)	(1,469,422)
Net cash provided by operating activities	5,545,127	4,539,205
Investing Activities
Purchases of available-for-sale securities	(11,310,308)	(3,471,184)
Purchases of short-term investments	(361,749)	(6,307,977)
Purchases of other investments	(922,855)	(858,464)
Payments to Acquire Additional Interest in Subsidiaries	(9,143)	0
Proceeds from sales and maturities of available-for-sale securities	6,163,762	9,655,760
Proceeds from sales and maturities of short-term investments	4,561,853	296,830
Proceeds from sales and distributions of other investments	2,259,687	2,201,964
Proceeds from sales of other assets	10,649	19,104
Purchases of property	(1,419,392)	(1,144,333)
Proceeds from the sale of property	30,655	52,413
Net cash (used in) provided by investing activities	(996,841)	444,113
Financing Activities
Repurchases of common stock	(3,134,126)	(1,747,322)
Exercises of stock options and SARs	(200)	54,988
Excess tax benefits related to exercise of stock options and SARs	32,292	26,875
Dividends paid	(616,677)	(321,117)
Net cash used in financing activities	(3,718,711)	(1,986,576)
Net Increase in Cash and Cash Equivalents	829,575	2,996,742
Cash and Cash Equivalents, Beginning of Period	21,790,068	15,826,515
Cash and Cash Equivalents, End of Period	22,619,643	18,823,257
Cash Paid During the Year for:
Income tax payments, net	2,099,000	1,329,000
Non cash net unrealized (gain) loss on investments, net of deferred tax (provision) benefit of $(1,429,681) and $950,040 for 2016 and 2015, respectively	$ (2,733,579)	$ 1,835,320